Home / 36,893.61-55,395.78-21,116.46

Finding the Fourth Proportional to 36,893.61, 55,395.78 and 21,116.46

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Solution

The fourth proportional to 36,893.61, 55,395.78 and 21,116.46 is: 31,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,893.61 : 55,395.78 = 21,116.46 : x
  2. Step 2: Convert to fraction form
    36,893.61/55,395.78 = 21,116.46/x
  3. Step 3: Cross multiply
    36,893.61x = 55,395.78 × 21,116.46
  4. Step 4: Simplify right side
    36,893.61x = 1,169,762,772.54
  5. Step 5: Solve for x
    x = 1,169,762,772.54/36,893.61
  6. Step 6: Final answer
    x = 31,706.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.